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Finding the Fourth Proportional to 84,915.60, 127,373.40 and 73,251.60

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Solution

The fourth proportional to 84,915.60, 127,373.40 and 73,251.60 is: 109,877.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,915.60 : 127,373.40 = 73,251.60 : x
  2. Step 2: Convert to fraction form
    84,915.60/127,373.40 = 73,251.60/x
  3. Step 3: Cross multiply
    84,915.60x = 127,373.40 × 73,251.60
  4. Step 4: Simplify right side
    84,915.60x = 9,330,305,347.44
  5. Step 5: Solve for x
    x = 9,330,305,347.44/84,915.60
  6. Step 6: Final answer
    x = 109,877.40

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